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Revista mexicana de física
versión impresa ISSN 0035-001X
Resumen
HERNANDEZ-CONTRERAS, M.. Diffusion of a dipolar tracer in a salty surface. Rev. mex. fis. [online]. 2002, vol.48, n.2, pp.107-111. ISSN 0035-001X.
The two dimensional translational and rotational diffusion coefficients of a dipolar tracer in a charged surface are determined with the generalized Langevin equation approach. The electrolyte friction effect on the translational brownian movement displays a maximum as a function of ionic strength showing similar trends to its three dimensional counterpart. However, its effect on the rotational motion is important only at low and moderate salt concentration and negligible at high ionic concentration.
Palabras llave : Transport properties; lateral diffusion.